Exploring Triangle Inequalities: Sides and Angles

The video tutorial covers triangle inequalities, focusing on the relationship between sides and angles. It begins with a warm-up on labeling sides and angles, then explains how larger angles lie opposite larger sides. The tutorial demonstrates ordering angles and sides from largest to smallest and vice versa, using examples. It also covers reverse ordering, where knowing angles helps order sides. The video concludes with problem-solving exercises, emphasizing the importance of understanding these principles for solving triangle-related problems.

What is the correct way to label the sides of a triangle?

• Using one letter

• Using two letters

• Using numbers

• Using three letters

Tags

CCSS.HSG.CO.A.1

Which angle is typically opposite the longest side of a triangle?

• The smallest angle

• The medium angle

• The largest angle

• None of the above

Tags

CCSS.HSG.CO.C.10

If side AB is the longest, which angle would be the largest?

• Angle AB

• Angle A

• Angle B

• Angle C

Tags

CCSS.HSG.CO.C.10

What does a measurement in 'feet' next to a side indicate in the context of triangle inequalities?

• The actual length of the side

• The angle measurement

• The order of the side relative to others

• None of the above

In ordering the sides from shortest to longest, which side would be opposite the smallest angle?

• The longest side

• The shortest side

• The middle side

• Cannot be determined

Tags

CCSS.HSG.CO.C.10

How can you correct an error when calculating the missing angle in a triangle?

• None of the above

• Subtract from 180 degrees

• Add the angles again

• Guess the missing angle

Tags

CCSS.8.G.A.5

What should you do if you realize a calculation mistake in determining triangle angles?

• None of the above

• Adjust only the largest angle

• Start over the calculation

• Ignore the mistake

Tags

CCSS.8.G.A.5

When given angles and no visual aid, how can you determine the order of the sides?

• Calculate using a formula

• Use logical reasoning based on angle size

• Ask for help

• Guess based on angle size

Tags

CCSS.HSG.CO.C.10

If angle C is 100 degrees in a triangle, which side would be the longest?

• Cannot determine

• Side BC

• Side CA

• Side AB

Tags

CCSS.HSG.CO.C.10

What is the correct approach to sketching a triangle based on angle measurements?

• Start with the smallest angle

• It's not possible to sketch from angles

• Start with the largest angle

• Any angle can be the starting point

Tags

CCSS.HSG.CO.B.7